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【简答题】
A．A person who spends all day working in a laboratory. B．A person who doesn't talk about anything but science. C．A person who doesn't play games well and isn't attractive to the opposite sex. D．A person who is not lacking the sense of humor.
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【简答题】已知【图片】,则D的第四行各元素的代数余子式之和的值为 。
【简答题】Did Peter come here yesterday? Li Lei wants to know. (改为含宾语从句的复合句) Li Lei wants to know _________ Peter _________ here yesterday.
【简答题】请以ppt的形式介绍一下光致发光谱测试 的原理、测试仪器、检测方法和该测试在半导体测试领域的具体应用
【简答题】Did Peter come here yesterday? Li Lei wants to know. ( 改为含宾语从句的复合句 ) Li Lei wants to know _________ Peter _________ here yesterday.
【单选题】Li Lei wants to know ( ).
A.
where does Ann live
B.
where is Ann from
C.
where is Ann
D.
where Ann lives
【简答题】已知 ,则 D 的第四行各元素的代数余子式之和的值为 。
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